package net.slteam.base;

/**
 * ClassName: UserService
 * Description:
 * date: 2022/8/21 10:28 AM
 *
 * @author calm
 * @since JDK 1.8
 */
public interface IUserService {
   default String getUserName() {return null;}
   default Long getUserId() {return null;}
   default String getUserName(long userId) {return  null;}
}
